Carbon is present in the uncombined (graphitic) form in case of__________________?

Related Mcqs:

1. Carbon is present in the combined form (carbide) in case of______________________?

   A. Pig iron
   B. Steel
   C. Ferroalloys
   D. All A., B. & C.

2. High carbon steel contains more than _____________ percent carbon?

   A. 0.5
   B. 2.2
   C. 2.5
   D. 2.8

3. Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?

   A. Nuts
   B. Bolts
   C. Chisels
   D. Studs

4. Carbon content in plain carbon steel is ______________ percent?

   A. 0.1 to 0.15
   B. 0.35 to 0.45
   C. 0.65 to 0.80
   D. 0.85 to 1.2

5. Low carbon steels are those in which carbon percentage is around____________________?

   A. 0.1 to 0.35
   B. 0.4 to 0.7
   C. 0.8 to 1.5
   D. 1.5 to 2

6. Carbon percentage in medium carbon steel is around__________________?

   A. 0.1 to 0.35
   B. 0.35 to 0.5
   C. 0.8 to 1.4
   D. 1 to 1. 5

7. Carbon is present in steel wholly in the__________________?

   A. Combined form
   B. Free state as graphite
   C. Both A. and B.
   D. Neither A. nor B.

8. Carbon supply in pack carburising process is in the form of_____________________?

   A. Charcoal
   B. Calcium carbide
   C. Hydrocarbon oil
   D. Graphite

9. Dry chlorine can be handled in a vessel made of__________________?

   A. Iron or steel
   B. PVC
   C. Nickel
   D. Brass

10. Residual magnetism in steel for magnets is increased by the addition of__________________?

    A. Nickel
    B. Cobalt
    C. Tungsten
    D. Chromium